CN109821884A - Convenient for the field erected EK-PRB device for repairing combined contamination soil - Google Patents
Convenient for the field erected EK-PRB device for repairing combined contamination soil Download PDFInfo
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- CN109821884A CN109821884A CN201910168187.9A CN201910168187A CN109821884A CN 109821884 A CN109821884 A CN 109821884A CN 201910168187 A CN201910168187 A CN 201910168187A CN 109821884 A CN109821884 A CN 109821884A
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Abstract
The invention discloses a kind of convenient for the field erected EK-PRB device for repairing combined contamination soil, including electrodynamics devices and PRB device, the electrodynamics devices are electrolysed chamber component by several, each electrolysis chamber component includes the opened upper end box surrounded by a bottom plate and two narrow side walls, narrow side wall is provided with extension edge, connecting hole is distributed on extension edge, the front of box sets an isolation board, location window is arranged in the middle part of isolation board；It is connected between one rear extension edge for being electrolysed chamber component and the preceding extension edge of adjacent electrolysis chamber component by the connecting hole on the extension edge of front and back, multiple electrolysis chamber components are sequentially connected, and form soil chamber between the partition of two neighboring tank house；One layer of Electrospun nano-fibers film PRB is respectively provided between each cathode plate and soil chamber, pole plate height is higher by 3~10cm of soil chamber.In-site installation of the present invention is more convenient, can be connected adjacent processing unit by the connecting hole on extension edge, installing and dismounting is extremely convenient.
Description
Technical field
The present invention relates to technical field of soil remediation, and in particular to one kind is convenient for field erected reparation combined contamination soil
EK-PRB device.
Background technique
Contaminated soil remediation is at home and abroad increasingly taken seriously, at abroad, some technologies come into engineering mimoir and
Application stage.Common soil restoring technology mainly has chemical leaching technology, electric repairing technique, PRB technology etc..Due to soil
The differences such as composition, pollutant type, property are single to repair especially in the simultaneous combined pollution of different pollutants
Recovering technology is often difficult to reach reparation target, and therefore, the combined application of different recovery techniques is increasingly taken seriously.
EK-PRB combined remediation technology is a kind of novel, the environmentally protective soil restoring technology risen in recent years, main
If electric repairing technique is combined common repairing polluted soil with permeability response wall technology.The technology combines two kinds
The advantage of recovery technique, by the higher heavy metal of toxicity and organic substance (such as Cr (VI), TCE, PCE etc.) electric power make its to
Electrode tip is mobile, reacts polluter with the filling substrate of permeability response within the walls, is degraded into the lower low-valent metal of toxicity
Ion and organic matter, can not only restoration of soil polluted by heavy metal can be with repairing organic polluted soil, or even to low-permeability
Contaminated soil has preferable repairing effect, and is influenced by extraneous factor relatively small, avoids environment is added into soil not friendly
Good type substance, rehabilitation cost want much lower compared with other methods.
EK-PRB combined remediation technology is as an emerging efficient based technique for in-situ remediation, although Principles are relatively simple
It is single, but existing EK-PRB joint prosthetic device is mostly assembled in situ, takes up an area larger, installation more inconvenience.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind to be convenient for in-site installation, can select the EK- of series as needed
PRB device.
For above-mentioned technical problem, the technical solution adopted by the present invention are as follows: one kind repairs compound dirt convenient for field erected
The EK-PRB device of soil, including electrodynamics devices and PRB device are contaminated, the electrodynamics devices are by several tank houses
Component, each electrolysis chamber component includes the opened upper end box surrounded by a bottom plate and two narrow side walls, is arranged in narrow side wall
There is extension edge, connecting hole is distributed on extension edge, the front of box sets an isolation board, is provided in the middle part of isolation board for placing
The location window of electrode plate assembly；Pass through between one rear extension edge for being electrolysed chamber component and the preceding extension edge of adjacent electrolysis chamber component
Connecting hole on the extension edge of front and back is connected with, and multiple electrolysis chamber components are sequentially connected, the partition of two neighboring tank house it
Between form soil chamber；Each pole plate component includes an anode chamber and a cathode chamber, and insulation is provided between two pole rooms and is situated between
Mounting plate made of matter, two pole rooms are arranged on the mounting plate, and the anode plate and cathode plate of two pole rooms are respectively as adjacent two
The anode plate and cathode plate of a tank house；PRB device includes several Electrospun nano-fibers films PRB, each cathode plate with
One layer of Electrospun nano-fibers film PRB is respectively provided between soil chamber, pole plate height is higher by 3~10cm of soil chamber.
Further, on isolation board be located at location window below be provided with a positioning lath, position lath both ends and every
Jagged from being arranged between plate, the pole plate component including further including a posting, determine on isolation board by posting shape
Position window matches, and positioning frame bottom is provided with two extension legs, and extending leg can be inserted into respectively in two notches of positioning lath.
Further, with a thickness of 1~3cm, the direct current electricity output of DC power supply can guarantee to be applied on soil electrode plate
Voltage gradient >=10V/m.
Further, spacing is greater than 30cm between the isolation board of two neighboring tank house.
From above-mentioned technical proposal it can be seen that the invention has the following advantages that in-site installation of the present invention is more convenient, pass through
Connecting hole on extension edge can connect adjacent processing unit, and installing and dismounting is extremely convenient.And each pole plate component
Including cathode-anode plate, two neighboring processing unit is shared, and simplifies the installation of pole plate；Cooperation efficiently removes metal in contaminated soil
Reaction medium of the active nano material of ion as PRB repairs electrodynamics and Electrospun nano-fibers film PRB combination
Metal ion in contaminated soil improves the absorption property to metal ion
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that chamber component is individually electrolysed in the present invention；
Fig. 3 is the structural schematic diagram of pole plate component in the present invention.
Specific embodiment
A specific embodiment of the invention is illustrated below in conjunction with attached drawing.
As shown in Figure 1-3, of the invention includes electricity convenient for the field erected EK-PRB device for repairing combined contamination soil
Dynamics device and PRB device, wherein the electrodynamics devices are electrolysed chamber component, each electrolysis chamber component packet by several
The opened upper end box surrounded by a bottom plate 3 and two narrow side wall 5 is included, narrow side wall 5 is provided with one in front and one in back two extensions
Connecting hole 8 is distributed on extension edge 6 in side 6, and the front of box sets an isolation board 4, is provided in the middle part of isolation board 4 for placing
The location window 1 of electrode plate assembly；Lead between one rear extension edge for being electrolysed chamber component and the preceding extension edge of adjacent electrolysis chamber component
The connecting hole crossed on the extension edge of front and back is connected with, and multiple electrolysis chamber components are sequentially connected, the partition of two neighboring tank house
Between form soil chamber, and be also lined with corrosion resistant silastic sealing strip 9 in the junction of extension edge；Each pole plate component includes
One anode chamber and a cathode chamber are provided with mounting plate made of dielectric between two pole rooms, and two pole rooms settings should
On mounting plate, the anode plate and cathode plate of the anode plate and cathode plate of two pole rooms respectively as two neighboring tank house；PRB dress
It sets including several Electrospun nano-fibers films PRB, one layer of electrostatic spinning is respectively provided between each cathode plate and soil chamber and is received
Rice tunica fibrosa PRB11.2, pole plate height are higher by 3~10cm of soil chamber.Electrode plate is with a thickness of 1~3cm, the direct current of DC power supply
Output can guarantee the voltage gradient >=10V/m being applied on soil.Spacing is greater than between the isolation board of two neighboring tank house
30cm。
It is located at below location window on isolation board and is provided with a positioning lath 10, positions between the both ends of lath and isolation board
It is arranged jagged 10.1, the pole plate component including further including a posting 11, determine on isolation board by 11 shape of posting
Position window matches, and positioning frame bottom is provided with two extensions legs 11.1, extend leg 11.1 can be inserted into respectively two of positioning lath it is scarce
In mouthful.Spacing is greater than 30cm between the isolation board of two neighboring tank house.
Electrolyte solution can also be added in the cathodic compartment, and such as KCl solution or ionized water, electrode uses graphite electrode.
Reaction medium using electrostatic spinning polyacrylonitrile nanofiber film as PRB, polyacrylonitrile nanofiber film large specific surface area,
Porosity is high, and obvious to the adsorption effect of metal ion, helps to improve electrodynamic repair as PRB reaction medium
Multiple effect.For metal ion the disadvantages of removal rate is low and adsorbent is vulnerable, polyacrylonitrile (PAN) nanofiber has machine
The advantages that tool intensity height, weatherability, sun-resistant property and chemical reagent resistance, contains cyano (- CN) in PAN macromolecular, Ke Yiyu
Plurality of reagents effect generates different functional groups, can generate complex compound with metal ion, can be used as the material for adsorbing heavy metal ion
Material, and there is preferable adsorption effect.
Claims (4)
1. a kind of convenient for the field erected EK-PRB device for repairing combined contamination soil, including electrodynamics devices and PRB
Device, it is characterised in that: the electrodynamics devices are electrolysed chamber component by several, and each electrolysis chamber component includes by a bottom
The opened upper end box that plate and two narrow side walls surround is provided with extension edge in narrow side wall, connecting hole is distributed on extension edge, side
The front of frame sets an isolation board, and the location window for placing electrode plate assembly is provided in the middle part of isolation board；One tank house group
It is connected between the rear extension edge of part and the preceding extension edge of adjacent electrolysis chamber component by the connecting hole on the extension edge of front and back,
Multiple electrolysis chamber components are sequentially connected, and form soil chamber between the partition of two neighboring tank house；Each pole plate component includes one
A anode chamber and a cathode chamber are provided with mounting plate made of dielectric between two pole rooms, and the peace is arranged in two pole rooms
In loading board, the anode plate and cathode plate of the anode plate and cathode plate of two pole rooms respectively as two neighboring tank house；PRB device
Including several Electrospun nano-fibers films PRB, one layer of electrostatic spinning nano is respectively provided between each cathode plate and soil chamber
Tunica fibrosa PRB, pole plate height are higher by 3~10cm of soil chamber.
2. according to claim 1 convenient for the field erected EK-PRB device for repairing combined contamination soil, feature exists
In: it is located at below location window on isolation board and is provided with a positioning lath, positions and be provided between the both ends of lath and isolation board
Notch, the pole plate component is including further including a posting, and the location window in posting shape and isolation board matches, posting
There are two leg is extended, extending leg can be inserted into respectively in two notches of positioning lath for bottom setting.
3. according to claim 1 convenient for the field erected EK-PRB device for repairing combined contamination soil, feature exists
In: electrode plate can guarantee the voltage gradient >=10V/ being applied on soil with a thickness of 1~3cm, the direct current electricity output of DC power supply
m。
4. according to claim 1 convenient for the field erected EK-PRB device for repairing combined contamination soil, feature exists
In: spacing is greater than 30cm between the isolation board of two neighboring tank house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168187.9A CN109821884A (en) | 2019-03-06 | 2019-03-06 | Convenient for the field erected EK-PRB device for repairing combined contamination soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168187.9A CN109821884A (en) | 2019-03-06 | 2019-03-06 | Convenient for the field erected EK-PRB device for repairing combined contamination soil |
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| Publication Number | Publication Date |
|---|---|
| CN109821884A true CN109821884A (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910168187.9A Pending CN109821884A (en) | 2019-03-06 | 2019-03-06 | Convenient for the field erected EK-PRB device for repairing combined contamination soil |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292806Y (en) * | 1996-04-05 | 1998-09-30 | 中国科学院长春应用化学研究所 | Apparatus for separating rare-earth by electrolytic extraction |
| CN1695834A (en) * | 2005-06-09 | 2005-11-16 | 上海交通大学 | Method of electrodynamics for restoring soil polluted by heavy metal |
| CN201087217Y (en) * | 2007-06-28 | 2008-07-16 | 马来西亚大光蓄电池有限公司 | Series connected electrolytic tank without wire connection |
| CN100557085C (en) * | 2007-06-28 | 2009-11-04 | 马来西亚大光蓄电池有限公司 | The tandem type electrolytic tank that no lead connects |
| CN103603005A (en) * | 2013-11-12 | 2014-02-26 | 广州赛爱环境保护技术开发有限公司 | Continuous weakly alkaline high-concentration hydrogen-rich water electrolysis device |
| CN103752596A (en) * | 2014-01-27 | 2014-04-30 | 湖南省交通规划勘察设计院 | Method and device for repairing metal ions in contaminated soil |
| CN106623397A (en) * | 2016-07-11 | 2017-05-10 | 国家地质实验测试中心 | Electrodynamics-permeation reaction grid device suitable for outdoor field repair of composite polluted soil and technological process |
-
2019
- 2019-03-06 CN CN201910168187.9A patent/CN109821884A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292806Y (en) * | 1996-04-05 | 1998-09-30 | 中国科学院长春应用化学研究所 | Apparatus for separating rare-earth by electrolytic extraction |
| CN1695834A (en) * | 2005-06-09 | 2005-11-16 | 上海交通大学 | Method of electrodynamics for restoring soil polluted by heavy metal |
| CN201087217Y (en) * | 2007-06-28 | 2008-07-16 | 马来西亚大光蓄电池有限公司 | Series connected electrolytic tank without wire connection |
| CN100557085C (en) * | 2007-06-28 | 2009-11-04 | 马来西亚大光蓄电池有限公司 | The tandem type electrolytic tank that no lead connects |
| CN103603005A (en) * | 2013-11-12 | 2014-02-26 | 广州赛爱环境保护技术开发有限公司 | Continuous weakly alkaline high-concentration hydrogen-rich water electrolysis device |
| CN103603005B (en) * | 2013-11-12 | 2016-08-17 | 广州赛爱环境保护技术开发有限公司 | Continuous way weakly alkaline high-concentration hydrogen-rich water electrolysis device |
| CN103752596A (en) * | 2014-01-27 | 2014-04-30 | 湖南省交通规划勘察设计院 | Method and device for repairing metal ions in contaminated soil |
| CN106623397A (en) * | 2016-07-11 | 2017-05-10 | 国家地质实验测试中心 | Electrodynamics-permeation reaction grid device suitable for outdoor field repair of composite polluted soil and technological process |
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Address after: 215024 d415-417, zhanye building, No.18, zhanye Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Applicant after: Yaoang Environmental Technology (Jiangsu) Co.,Ltd. Address before: Room 2501, building 1, 15 Yueliangwan Road, Suzhou Industrial Park, Jiangsu Province, 215100 Applicant before: ZHONG XIN YAO ANG ENVIRONMENT RESTORATION (JIANGSU) Co.,Ltd. |
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Application publication date: 20190531 |